// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef V8_OBJECTS_PROPERTY_DESCRIPTOR_OBJECT_H_
#define V8_OBJECTS_PROPERTY_DESCRIPTOR_OBJECT_H_

#include "src/objects.h"
#include "src/objects/fixed-array.h"

// Has to be the last include (doesn't have include guards):
#include "src/objects/object-macros.h"

namespace v8 {
namespace internal {

    class PropertyDescriptorObject : public FixedArray {
    public:
#define FLAGS_BIT_FIELDS(V, _)        \
    V(IsEnumerableBit, bool, 1, _)    \
    V(HasEnumerableBit, bool, 1, _)   \
    V(IsConfigurableBit, bool, 1, _)  \
    V(HasConfigurableBit, bool, 1, _) \
    V(IsWritableBit, bool, 1, _)      \
    V(HasWritableBit, bool, 1, _)     \
    V(HasValueBit, bool, 1, _)        \
    V(HasGetBit, bool, 1, _)          \
    V(HasSetBit, bool, 1, _)

        DEFINE_BIT_FIELDS(FLAGS_BIT_FIELDS)
#undef FLAGS_BIT_FIELDS

        enum { kFlagsIndex,
            kValueIndex,
            kGetIndex,
            kSetIndex,
            kLength };

        DECL_CAST(PropertyDescriptorObject)

        static const int kRegularAccessorPropertyBits = HasEnumerableBit::kMask | HasConfigurableBit::kMask | HasGetBit::kMask | HasSetBit::kMask;

        static const int kRegularDataPropertyBits = HasEnumerableBit::kMask | HasConfigurableBit::kMask | HasWritableBit::kMask | HasValueBit::kMask;

        static const int kHasMask = HasEnumerableBit::kMask | HasConfigurableBit::kMask | HasWritableBit::kMask | HasValueBit::kMask | HasGetBit::kMask | HasSetBit::kMask;

        static const int kValueOffset = FixedArray::OffsetOfElementAt(PropertyDescriptorObject::kValueIndex);
        static const int kFlagsOffset = FixedArray::OffsetOfElementAt(PropertyDescriptorObject::kFlagsIndex);
        static const int kGetOffset = FixedArray::OffsetOfElementAt(PropertyDescriptorObject::kGetIndex);
        static const int kSetOffset = FixedArray::OffsetOfElementAt(PropertyDescriptorObject::kSetIndex);

        OBJECT_CONSTRUCTORS(PropertyDescriptorObject, FixedArray);
    };

} // namespace internal
} // namespace v8

#include "src/objects/object-macros-undef.h"

#endif // V8_OBJECTS_PROPERTY_DESCRIPTOR_OBJECT_H_
